Astm a36 steel plate, 1.5in.Thk; 2pc, each 4.81in.By 9.62in., o/a 9.62in.Sq w/1.00in radius outside corners, inside opening creates 6.75in.Dia
NSN 5905-00-265-1659
NSN 6150-00-099-6919
NSN 6620-01-548-7406
NSN 6105-00-726-2754
NSN 5975-01-328-5133
NSN 5895-00-126-6922
NSN 5910-01-360-3066
NSN 4140-01-556-3312
NSN 6685-01-634-0611
NSN 7035-01-232-7263
NSN 5945-01-359-6337
NSN 6105-01-174-5597